Beverage infuser



FIG. 1 is a front perspective view of a beverage infuser showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is an exploded front perspective view thereof;

FIG. 4 is a side view of the beverage infuser with the leaf and stem removed for ease of illustration; and,

FIG. 5 is an enlarged top plan view of FIG. 4.

The portions of the figures shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a beverage infuser, as shown and described. 